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<a href="../../index.html">amazon-chime-sdk</a>&nbsp;/&nbsp;<a href="../index.html">com.amazonaws.services.chime.sdk.meetings.realtime</a>&nbsp;/&nbsp;<a href="./index.html">RealtimeObserver</a><br/>
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<h1>RealtimeObserver</h1>
<code><span class="keyword">interface </span><span class="identifier">RealtimeObserver</span></code>
<p><a href="./index.html">RealtimeObserver</a> lets one listen to real time events such a volume, signal strength, or
attendee changes.</p>
<p>Note: all callbacks will be called on main thread.</p>
<h3>Functions</h3>
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<h4><a href="on-attendees-dropped.html">onAttendeesDropped</a></h4>
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<p>Handles attendee(s) being dropped due to network.</p>
<code><span class="keyword">abstract</span> <span class="keyword">fun </span><span class="identifier">onAttendeesDropped</span><span class="symbol">(</span><span class="identifier" id="com.amazonaws.services.chime.sdk.meetings.realtime.RealtimeObserver$onAttendeesDropped(kotlin.Array((com.amazonaws.services.chime.sdk.meetings.audiovideo.AttendeeInfo)))/attendeeInfo">attendeeInfo</span><span class="symbol">:</span>&nbsp;<a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-array/index.html"><span class="identifier">Array</span></a><span class="symbol">&lt;</span><a href="../../com.amazonaws.services.chime.sdk.meetings.audiovideo/-attendee-info/index.html"><span class="identifier">AttendeeInfo</span></a><span class="symbol">&gt;</span><span class="symbol">)</span><span class="symbol">: </span><a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html"><span class="identifier">Unit</span></a></code></td>
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<h4><a href="on-attendees-joined.html">onAttendeesJoined</a></h4>
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<p>Handles attendee(s) being added.</p>
<code><span class="keyword">abstract</span> <span class="keyword">fun </span><span class="identifier">onAttendeesJoined</span><span class="symbol">(</span><span class="identifier" id="com.amazonaws.services.chime.sdk.meetings.realtime.RealtimeObserver$onAttendeesJoined(kotlin.Array((com.amazonaws.services.chime.sdk.meetings.audiovideo.AttendeeInfo)))/attendeeInfo">attendeeInfo</span><span class="symbol">:</span>&nbsp;<a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-array/index.html"><span class="identifier">Array</span></a><span class="symbol">&lt;</span><a href="../../com.amazonaws.services.chime.sdk.meetings.audiovideo/-attendee-info/index.html"><span class="identifier">AttendeeInfo</span></a><span class="symbol">&gt;</span><span class="symbol">)</span><span class="symbol">: </span><a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html"><span class="identifier">Unit</span></a></code></td>
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<h4><a href="on-attendees-left.html">onAttendeesLeft</a></h4>
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<p>Handles attendee(s) being removed.</p>
<code><span class="keyword">abstract</span> <span class="keyword">fun </span><span class="identifier">onAttendeesLeft</span><span class="symbol">(</span><span class="identifier" id="com.amazonaws.services.chime.sdk.meetings.realtime.RealtimeObserver$onAttendeesLeft(kotlin.Array((com.amazonaws.services.chime.sdk.meetings.audiovideo.AttendeeInfo)))/attendeeInfo">attendeeInfo</span><span class="symbol">:</span>&nbsp;<a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-array/index.html"><span class="identifier">Array</span></a><span class="symbol">&lt;</span><a href="../../com.amazonaws.services.chime.sdk.meetings.audiovideo/-attendee-info/index.html"><span class="identifier">AttendeeInfo</span></a><span class="symbol">&gt;</span><span class="symbol">)</span><span class="symbol">: </span><a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html"><span class="identifier">Unit</span></a></code></td>
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<h4><a href="on-attendees-muted.html">onAttendeesMuted</a></h4>
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<p>Handles attendee(s) whose <a href="../../com.amazonaws.services.chime.sdk.meetings.audiovideo/-volume-level/index.html">VolumeLevel</a> has changed to muted.</p>
<code><span class="keyword">abstract</span> <span class="keyword">fun </span><span class="identifier">onAttendeesMuted</span><span class="symbol">(</span><span class="identifier" id="com.amazonaws.services.chime.sdk.meetings.realtime.RealtimeObserver$onAttendeesMuted(kotlin.Array((com.amazonaws.services.chime.sdk.meetings.audiovideo.AttendeeInfo)))/attendeeInfo">attendeeInfo</span><span class="symbol">:</span>&nbsp;<a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-array/index.html"><span class="identifier">Array</span></a><span class="symbol">&lt;</span><a href="../../com.amazonaws.services.chime.sdk.meetings.audiovideo/-attendee-info/index.html"><span class="identifier">AttendeeInfo</span></a><span class="symbol">&gt;</span><span class="symbol">)</span><span class="symbol">: </span><a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html"><span class="identifier">Unit</span></a></code></td>
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<h4><a href="on-attendees-unmuted.html">onAttendeesUnmuted</a></h4>
</td>
<td>
<p>Handles attendee(s) whose <a href="../../com.amazonaws.services.chime.sdk.meetings.audiovideo/-volume-level/index.html">VolumeLevel</a> has changed from muted.</p>
<code><span class="keyword">abstract</span> <span class="keyword">fun </span><span class="identifier">onAttendeesUnmuted</span><span class="symbol">(</span><span class="identifier" id="com.amazonaws.services.chime.sdk.meetings.realtime.RealtimeObserver$onAttendeesUnmuted(kotlin.Array((com.amazonaws.services.chime.sdk.meetings.audiovideo.AttendeeInfo)))/attendeeInfo">attendeeInfo</span><span class="symbol">:</span>&nbsp;<a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-array/index.html"><span class="identifier">Array</span></a><span class="symbol">&lt;</span><a href="../../com.amazonaws.services.chime.sdk.meetings.audiovideo/-attendee-info/index.html"><span class="identifier">AttendeeInfo</span></a><span class="symbol">&gt;</span><span class="symbol">)</span><span class="symbol">: </span><a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html"><span class="identifier">Unit</span></a></code></td>
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<h4><a href="on-signal-strength-changed.html">onSignalStrengthChanged</a></h4>
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<p>Handles signal strength changes for attendees whose <a href="../../com.amazonaws.services.chime.sdk.meetings.audiovideo/-signal-strength/index.html">SignalStrength</a> has changed.</p>
<code><span class="keyword">abstract</span> <span class="keyword">fun </span><span class="identifier">onSignalStrengthChanged</span><span class="symbol">(</span><span class="identifier" id="com.amazonaws.services.chime.sdk.meetings.realtime.RealtimeObserver$onSignalStrengthChanged(kotlin.Array((com.amazonaws.services.chime.sdk.meetings.audiovideo.SignalUpdate)))/signalUpdates">signalUpdates</span><span class="symbol">:</span>&nbsp;<a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-array/index.html"><span class="identifier">Array</span></a><span class="symbol">&lt;</span><a href="../../com.amazonaws.services.chime.sdk.meetings.audiovideo/-signal-update/index.html"><span class="identifier">SignalUpdate</span></a><span class="symbol">&gt;</span><span class="symbol">)</span><span class="symbol">: </span><a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html"><span class="identifier">Unit</span></a></code></td>
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<h4><a href="on-volume-changed.html">onVolumeChanged</a></h4>
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<p>Handles volume changes for attendees whose <a href="../../com.amazonaws.services.chime.sdk.meetings.audiovideo/-volume-level/index.html">VolumeLevel</a> has changed.</p>
<code><span class="keyword">abstract</span> <span class="keyword">fun </span><span class="identifier">onVolumeChanged</span><span class="symbol">(</span><span class="identifier" id="com.amazonaws.services.chime.sdk.meetings.realtime.RealtimeObserver$onVolumeChanged(kotlin.Array((com.amazonaws.services.chime.sdk.meetings.audiovideo.VolumeUpdate)))/volumeUpdates">volumeUpdates</span><span class="symbol">:</span>&nbsp;<a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-array/index.html"><span class="identifier">Array</span></a><span class="symbol">&lt;</span><a href="../../com.amazonaws.services.chime.sdk.meetings.audiovideo/-volume-update/index.html"><span class="identifier">VolumeUpdate</span></a><span class="symbol">&gt;</span><span class="symbol">)</span><span class="symbol">: </span><a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html"><span class="identifier">Unit</span></a></code></td>
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<h3>Inheritors</h3>
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<td>
<h4><a href="../../com.amazonaws.services.chime.sdk.meetings.audiovideo.audio.activespeakerdetector/-default-active-speaker-detector/index.html">DefaultActiveSpeakerDetector</a></h4>
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<td>
<p><a href="../../com.amazonaws.services.chime.sdk.meetings.audiovideo.audio.activespeakerdetector/-default-active-speaker-detector/index.html">DefaultActiveSpeakerDetector</a> A default implementation of the Active Speaker Detector</p>
<code><span class="keyword">class </span><span class="identifier">DefaultActiveSpeakerDetector</span>&nbsp;<span class="symbol">:</span>&nbsp;<a href="../../com.amazonaws.services.chime.sdk.meetings.audiovideo.audio.activespeakerdetector/-active-speaker-detector-facade/index.html"><span class="identifier">ActiveSpeakerDetectorFacade</span></a><span class="symbol">, </span><a href="./index.html"><span class="identifier">RealtimeObserver</span></a></code></td>
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